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package bai7;

/**
 *
 * @author PhamPhuong
 */
public abstract class GiangVien {
    
    public String _Ten;
    public String _DiaChi;
    public String _DienThoai;
    public String _Email;
    
    public GiangVien(){
        _Ten = _DiaChi = _DienThoai = _Email = null;
    }
    public GiangVien(String Ten, String DiaChi, String DienThoai, String Email){
        _Ten = Ten;
        _DiaChi = DiaChi;
        _DienThoai = DienThoai;
        _Email = Email;
    }
    public abstract void Nhap();
    public abstract void Xuat();
    public abstract double TinhLuong();
}
